Muscle O/I/N/B Flashcards
(33 cards)
Trapezius
O:Occipital Bone/Lig. Nuchae/S.P C7-T12
I: Lat 1/3 clavicle/Acromion&spine of scapula
N: CN XI (motor) / C3,4 ventral rami (pain/proprio)
B: Superficial branch of transverse cervical (deep surface of muscle)
Latissimus Dorsi
O:Spin. Proc lower 6 thoracic/Thoracolumbar fascia/Iliac crest/lower 3-4 ribs (some scapula as well)
I:Intertubercular groove of humerus
N: Thoracodorsal nerve (C6,7,8 from brach. plex.)
B: Thoracodorsal artery
Levator Scapula
O:Tran. Proc of C1-3or4
I:Superior angle of scapula and upper medial border
N: Dorsal scap nerve (ventral C5 ramus) and 3rd&4th cerv. nerves
B:Dorsal scap artery or deep branch of transverse cerv.
Rhomboids
O:Spines of C7-T5
I:Medial border of scapula
N: Dorsal scap. nerve (ventral C5 rami), some C4
B: Dorsal scap artery
Serratus Posterior Superior
O:Lig. Nuchae and C7-T3 spines
I: ribs 2-4
N: First 3 thoracic spinal nerves (intercostals)
B: Intercostal arteries
Serratus Posterior Inferior
O:T11-L2 spines
I:Lower 4 ribs
N:Last 4 thoracic nerves (intercostals)
B: Intercostal arteries
Splenius Capitis
O:Ligament Nuchae/Sp. Proc. of C7-T3
I:Occipital Bone/Mastoid Process
N: Dorsal Primary Rami
B: Post. Intercostal Arteries
Splenius Cervicis
O:Spin. proc T3-6
I:Trans. Proc. C2-4
N:Dorsal Primary Rami
B:Post. Intercostal Arteries
Iliocostalis Lumborum
O:Common tendon of Erect. Spin.
I: Angle of ribs 6-12
N:Dorsal Primary Rami
B: Post Intercostal Arteries
Iliocostalis thoracis
O:Lower 6 ribs
I: Upper 6 ribs
N: Dorsal Primary Rami
B: Post intercostal Arteries
Iliocostalis cervicis
O:Ribs 3-6
I:Trans. Proc. C4-6
N:Dorsal Primary Rami
B: Post intercostal arteries
Longissimus thoracis
O:Part of common tendon of Erec. Spin.
I:Lower 9 ribs
N: Dorsal Primary Rami
B: Post intercostal arteries
Longissimus cervicis
O:Trans Proc T1-5
I:Trans Proc C2-6
N: Dorsal Primary Rami
B: Post intercostal arteries
Longissimus capitis
O:Tendon of Long. Cerv. insertion (Tr. Pr. C2-6)
I: Mastoid Process
N: Dorsal Primary Rami
B: Post intercostal arteries
Spinalis Thoracis
O: Spine of T11-L2
I: Spin of T1-4
N: Dorsal Primary Rami
B: Post intercostal arteries
Semispinalis Cervicis
O:Tran. Proc T1-6
I: Spine of C2-5
N: Dorsal Prim Rami
B: Post intercostal arteries
Semispinalis Capitis
O:Tran and Art. Proc. of T1-6
I:Occipital Bone
N: Dorsal Prim. Rami
B: Post intercostal arteries
Long Rotators
O: Transverse Processes
I: Spin. Processes of vertebrae 2 above
N: Dorsal Prim. Rami
B: Post Intercostal Arteries
Short Rotators
O: Transverse Processes
I: Spinous Processes of vertebrae directly above
N: Dorsal Prim Rami
B: Post intercostal arteries
Oblique Capitis Inferior
O: Spine of axis (C2)
I: Trans Process of atlas (C1)
N: Suboccipital n. (Dorsal Rami of C1)
B: Vertebral A. and Deep Cerv. A.
Oblique Capitis Superior
O: Trans. Process of atlas (C1)
I:Occipital Bone
N: Suboccipital n. (Dorsal Rami of C1)
B: Vertebral A. and Deep Cerv. A.
Rectus Capitis posterior major
O: Spine of Axis (C2)
I: Occipital Bone
N: Suboccipital n. (Dorsal Rami of C1)
B: Vertebral A and deep cerv. A
Rectus Capitis Posterior Minor
O: Post. Tubercle of atlas (C1)
I: Occipital Bone
N: Suboccipital n. (Dorsal Rami of C1)
B: Vertebral A. and deep cerv A.
Thoracic Diaphragm
N: Phrenic (C3,4,5)
B: Above: Pericardiacophrenic artery, Musculophrenic artery(Bother from internal thoracic), superior phrenic (from aorta) Below: Inferior phrenic arteries (from aorta)
